21st
by reforma-ai · author: 21st
21st is an Agent Plugin published by reforma-ai. It packages 1 skill and 1 MCP server. We fetched the plugin.json from GitHub on 2026-10-21 and checked it against the official Agent Plugins 1.0.0 schema.
A living library of React components, templates, and themes. Add them to the project, or generate new UI.
- Skills
- 1
- MCP servers
- 1
- Stars
- 2
- License
- n/a
- Repo created
- 2026-08-21
- Last pushed
- 2026-10-05
- Publisher type
- Organization
- Version
- n/a
Links
Skills · 1
- 21st
- Searches and installs UI from the 21st.dev catalog. Use when the user wants a 21st component, theme, or template, or a marketplace block that is not in local components/ui or an installed kit registry.
Descriptions come from the frontmatter of each SKILL.md, punctuation lightly normalized.
MCP servers · 1
- 21ststreamable-http
- https://21st.dev/api/mcp
Read from the plugin's own mcp.json. We list environment variable names, never values.
Category
Other. Assigned by this directory. Agent Plugins 1.0.0 has no category field, so no manifest declares one.
Related by publisher and keywords
Motion-heavy blocks and visual effects for landing pages
Product analytics: events and charts so you see what people do
Sign-in and user accounts, including social login and enterprise identity
Turns the agent into a brutally honest bestie who knows the craft, calls out bad ideas, and ships better ones with you.
Let people book time: event types and a scheduler in the app
Scheduling links and a Calendly embed so people book themselves
[](https://agentpluginsdirectory.com/plugins/21st--reforma-ai)✓ Verified . We fetched the manifest from GitHub and checked it against the official Agent Plugins 1.0.0 schema at agent-plugins.org.